Science Quiz / Biochemistry

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Can you name the definitions of the chemistry terms?

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definitions Example
a pH level of 13 is
A weak bond formed between hydrogen atoms
The stronger the acid....
Diffusion of water through a selectively permeable membrane from a region of higher concentration to lower concentration
The stronger the acid, the lower the______.
Ionic interactions in biological molecules
The neutral pH level
What is the purpose of a buffer?
Extracellular Fluid Compartment (ECF)
What donates a proton
Solution has lower solute concentration relative to cell, cell will swell
The capacity/ability of a solvent to reduce attractive forces between ions
When a molecule contains both polar and nonpolar groupsmicelle, phospholipid
when a persons pH level is above 7.8
Covalently bonded molecules that share electrons equallyH2
When a persons pH level is below 7.0
What type of molecule demonstrates hydrogen bonding?
What does not completely dissociate in water
a positively charged ion, more protons than electrons
Side effect of alkalosis
The sharing of electrons between atoms
definitions Example
As the hydrogen ion concentration increases....
Covalently bonded molecules do not share electrons equallyH20
the acidity and alkalinity is based on the _____
Solution has same solute concentration relative to the cell
What accepts a proton
When a molecule is easily dissolved in water. i.e; water loving
Pressure required to stop the net flow of water across the membrane
Atoms that have lost or gained electrons
Solution that has a higher solute concentration relative to the cell, cell will crenate
what rapidly and completely dissociates in aqueous solutions?
The stronger the acid.....
What is the normal pH level in humans?
side effect of acidosis
When a molecule does not dissolve in water easily. i.e water fearing
The stronger the acid....the larger the_____.
What represents the effects of osmotic solutions on cells?
A large amount of heat is required to convert water from a liquid to a gas.
a negatively charged ion, more electrons than protons
What equation describes the dissociation characteristics of weak acids and bases and the effect oh pH?
When water absorbs and releases large amounts of heat slowly before temperature changes. Ex: in order to evaporate it takes a lot of energy so it has a _________.
Intracellular Fluid Compartment (ICF)

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